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# Urine Output Calculator

Enter the input values in the urine output calculator and the tool will find the urine output rate and fluid balance

Weight:

Time:

Min:

Sec:

Hur:

Min:

Urine Volume:

Fluid Intake:

Urine Output Rate Unit:

Fluid Balance Unit:

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The urine output calculator examines the normal urination of a person on the basis of per hour and day urination.

## What is the Normal Urine Output Per Hour?

The normal person urinates between 800-2000 ml/day. The net urine output per hour is between 33.3 and 83.3 ml/hour. The intake and output of fluid and urination can be different in various people.

The intake and output calculator makes it possible to know what is the normal output of urine per hour. If the net fluid balance calculation is not falling in this range, there is something wrong with a person.Â

## Why Calculate Net Urine Output?

It is necessary to calculate urine output to know the physical condition of a person. The urine output calculator indicates whether you are in a healthy condition or not.

You need to ensure that you are drinking more than 2 liters of fluid/day. It may change a little regarding your physical circumstances and the age of a person.

### The Composition of Urine:

The composition of the urine is:

• Â Water
• Â Potassium
• SodiumÂ
• Creatinine and urea

The normal urine does not contain viruses, bacteria, or fungi, and its color usually ranges from deep amber to pale yellow.Â

## Urine Output Formula:

The normal urine output ml/kg/hr formulaÂ

Urine output (ml/kg/hr) = Collected urine / (Weight Ã— Time)

where:

• Weight =Â  Kilograms (kg)
• Collected Urine = Milliliters (mL)
• Time = HoursÂ

### Our Patient’s Data :

Consider the collected urine of the patients is 3000 ml and 80 kg and the time of the urination is 24 hours.

#### Given:

Collected urine = 3000 ml

Weight = 80 Kg

Time = 24 hours

#### Solution:

Urine output (ml/kg/hr) = 3000 / (80 Ã— 24)

Urine output (ml/kg/hr) = 3000 / 1920

Urine output (ml/kg/hr)= 1.56 ml/kg/hr

The urine calculator keeps a person updated about the condition of the urination volume.

## Normal Urine Characteristics Table:

The normal urine output ml/kg/hr and the various characteristics are described in the table below:

Characteristic Normal values
Color Pale yellow to deep amber
Odor Odorless
Volume 750â€“2000 mL/24 hour
pH 4.5â€“8.0
Specific gravity 1.003â€“1.032
Osmolarity 40â€“1350 mOsmol/kg
Urobilinogen 0.2â€“1.0 mg/100 mL
White blood cells 0â€“2 HPF (per high-power field of microscope)
Leukocyte esterase None
Protein None of trace
Bilirubin <0.3 mg/100 mL
Ketones None
Nitrites None
Blood None
Glucose None

## Working of Urine Output Calculator:

Calculate urine output by the online tool with the following process:

Input:

• Enter the body weight, time, and urine volumeÂ
• Enter the fluid intake, urine rate, fluid balance unitÂ
• Tap Calculate

Â Output:

• Urine output rateÂ
• Fluid balanceÂ

## Â Â FAQs:

### What is Net Fluid Balance Calculation and Balance?

Fluid balance is the measuring of a patient’s fluid input and output and calculating the net difference or balance. Depending on your patient’s fluid status, you will have set a 24-hour goal for their fluid balance

Fluid balance = Fluid intake – Collected urine

### What is Oliguria?

Oliguria is a medical term for low urine output (how much you pee). In the case of an adult, this means less than 400 milliliters (mL) to 500 mL (around two cups) of urine per 24 hours.

## References:

From the source of Courses.lumenlearning.com: Net urine output

From the source of Tsmp.com.au: Urine ratio